mirror of
https://github.com/dylanaraps/pywal.git
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136 lines
3.5 KiB
Python
136 lines
3.5 KiB
Python
"""
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wal - Generate and change colorschemes on the fly.
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Created by Dylan Araps
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"""
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import argparse
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import re
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import subprocess
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import random
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import os
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from os.path import expanduser
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import pathlib
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from pathlib import Path
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# Internal variables.
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CACHE_DIR = expanduser("~") + "/.cache/wal"
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COLOR_COUNT = 16
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OS = os.uname
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def get_args():
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"""Get the script arguments."""
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description = "wal - Generate colorschemes on the fly"
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arg = argparse.ArgumentParser(description=description)
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# Add the args.
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arg.add_argument('-a', metavar='0-100', type=int,
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help='Set terminal background transparency. \
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*Only works in URxvt*')
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arg.add_argument('-c', action='store_true',
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help='Delete all cached colorschemes.')
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arg.add_argument('-f', metavar='"/path/to/colors"',
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help='Load colors directly from a colorscheme file.')
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arg.add_argument('-i', metavar='"/path/to/img.jpg"', required=True,
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help='Which image or directory to use.')
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arg.add_argument('-n', action='store_true',
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help='Skip setting the wallpaper.')
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arg.add_argument('-o', metavar='script_name',
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help='External script to run after "wal".')
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arg.add_argument('-q', action='store_true',
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help='Quiet mode, don\'t print anything.')
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arg.add_argument('-r', action='store_true',
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help='Reload current colorscheme.')
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arg.add_argument('-t', action='store_true',
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help='Fix artifacts in VTE Terminals. \
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(Termite, xfce4-terminal)')
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arg.add_argument('-x', action='store_true',
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help='Use extended 16-color palette.')
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return arg.parse_args()
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def get_image(img):
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"""Validate image input."""
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image = Path(img)
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if image.is_file():
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return image
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elif image.is_dir():
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rand = random.choice(os.listdir(image))
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rand_img = Path(str(image) + "/" + rand)
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if rand_img.is_file():
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return rand_img
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def gen_colors(img):
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"""Generate a color palette using imagemagick."""
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colors = []
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# Long-ass imagemagick command.
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magic = subprocess.Popen(["convert", img, "+dither", "-colors",
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str(COLOR_COUNT), "-unique-colors", "txt:-"],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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# Create a list of hex colors.
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for color in magic.stdout:
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hex_color = re.search('#.{6}', str(color))
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if hex_color:
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colors.append(hex_color.group(0))
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# Remove the first element, which isn't a color.
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del colors[0]
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return colors
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def get_colors(img):
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"""Generate a colorscheme using imagemagick."""
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# Cache file.
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cache_file = Path(CACHE_DIR + "/schemes/" + img.replace('/', '_'))
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if not cache_file.is_file():
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# Cache the wallpaper name.
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wal = open(CACHE_DIR + "/wal", 'w')
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wal.write(img + "\n")
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wal.close()
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# Generate the colors.
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colors = gen_colors(img)
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# Cache the colorscheme.
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scheme = open(cache_file, 'w')
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for color in colors:
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scheme.write(color + "\n")
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scheme.close()
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def main():
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"""Main script function."""
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args = get_args()
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image = str(get_image(args.i))
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# Create colorscheme dir.
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pathlib.Path(CACHE_DIR + "/schemes").mkdir(parents=True, exist_ok=True)
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get_colors(image)
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return 0
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main()
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